How to make the relay close for 15 minutes every 2 hours?

[daveblynk]

Take a look at this code.

Struggling with Blynk, millis and loops

Hello Blynk gurus, I have been trying hard to understand how to integrate Blynk to make it run a program for a defined amount of time using the millis function, when I send a “1” on a virtual pin. The V0 pin is a push button widget and when depressed it sends the value “1”, otherwise “0”. The program is actually for running a DC motor but for sake of simplifying the issue, I just want to have the LED turn on and stay on for 5 seconds, then turn off. At the end of this, I want it to return to …